Tecnosky Superwide HD 17 mm Eyepiece

Tecnosky Superwide HD 17 mm Eyepiece

Overview
The Tecnosky Superwide HD 17 mm eyepiece is a favorite for deep-sky explorers who seek wide, immersive, and visually relaxing sessions. It features 8 elements with ED glass for superb color correction and contrast. The expansive 70 field is perfect for framing open clusters or navigating star fields. With a dual 1.25 and 2 inch barrel, it fits virtually any focuser. The generous eye relief and twist-up eyecup ensure long, fatigue-free observation under the stars.

Technical specifications

• Focal length: 17 mm

• Apparent field: 70

• Optical design: 8 elements including ED glass

• Coatings: FMC (Fully Multi-Coated)

• Barrel size: Dual 1.25 and 2 inch

• Eye relief: 15 mm

• Eyecup: Twist-up

• Weight: 220 g

• Recommended use: Deep-sky, lunar, comfortable wide-field observing

Optical performance

• Large, flat and contrast-rich image

• ED glass for refined color and sharpness

• Ideal for medium magnification wide-field viewing

• Great for refractors and fast Newtonians

Compatible accessories

• Fits 1.25 and 2 inch focusers

• Accepts 1.25 threaded filters

• Projection-capable for imaging setups

Key features

• ED glass 8-element layout

• Wide 70 field for deep-sky ease

• Dual barrel and high comfort

• Ideal for long sky scanning sessions